YOU SAID:
Will you have had breakfast before tomorrow evening?
INTO JAPANESE
明日の夕方前に朝食を食べたことはありますか?
BACK INTO ENGLISH
Have you eaten breakfast before tomorrow evening?
INTO JAPANESE
明日の夜の前に朝食を食べましたか?
BACK INTO ENGLISH
Did you have breakfast before tomorrow night?
INTO JAPANESE
明日の夜の前に朝食を食べましたか?
BACK INTO ENGLISH
Did you have breakfast before tomorrow night?
Come on, you can do better than that.